Home / 823,896.77-1,235,849.27-291,418.29

Finding the Fourth Proportional to 823,896.77, 1,235,849.27 and 291,418.29

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Solution

The fourth proportional to 823,896.77, 1,235,849.27 and 291,418.29 is: 437,128.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,896.77 : 1,235,849.27 = 291,418.29 : x
  2. Step 2: Convert to fraction form
    823,896.77/1,235,849.27 = 291,418.29/x
  3. Step 3: Cross multiply
    823,896.77x = 1,235,849.27 × 291,418.29
  4. Step 4: Simplify right side
    823,896.77x = 360,149,079,504.06
  5. Step 5: Solve for x
    x = 360,149,079,504.06/823,896.77
  6. Step 6: Final answer
    x = 437,128.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.